diff --git a/include/linux/netfilter_ipv4/ip_conntrack.h b/include/linux/netfilter_ipv4/ip_conntrack.h
index 17d7ef938a09157f64e1a37b721de4ea9e9668b7..e0e9951eb8c322d3c2d9925ccc1e13f80e3b9374 100644
--- a/include/linux/netfilter_ipv4/ip_conntrack.h
+++ b/include/linux/netfilter_ipv4/ip_conntrack.h
@@ -121,6 +121,10 @@ struct ip_conntrack
 	u_int32_t mark;
 #endif
 
+#ifdef CONFIG_IP_NF_CONNTRACK_SECMARK
+	u_int32_t secmark;
+#endif
+
 	/* Traversed often, so hopefully in different cacheline to top */
 	/* These are my tuples; original and reply */
 	struct ip_conntrack_tuple_hash tuplehash[IP_CT_DIR_MAX];
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index dbe7a114d0c5c9f391f45e8fdb073e3765ab4e3e..41111781580749683b1c50e0f23764bf546590f5 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -114,6 +114,10 @@ struct nf_conn
 	u_int32_t mark;
 #endif
 
+#ifdef CONFIG_NF_CONNTRACK_SECMARK
+	u_int32_t secmark;
+#endif
+
 	/* Storage reserved for other modules: */
 	union nf_conntrack_proto proto;
 
diff --git a/include/net/netfilter/nf_conntrack_compat.h b/include/net/netfilter/nf_conntrack_compat.h
index 3cac19fb36488c40a1c196a659a49e8e874450d8..f1b1482d7200a3a8a1d67e4c6cc41ba62167f125 100644
--- a/include/net/netfilter/nf_conntrack_compat.h
+++ b/include/net/netfilter/nf_conntrack_compat.h
@@ -20,6 +20,19 @@ static inline u_int32_t *nf_ct_get_mark(const struct sk_buff *skb,
 }
 #endif /* CONFIG_IP_NF_CONNTRACK_MARK */
 
+#ifdef CONFIG_IP_NF_CONNTRACK_SECMARK
+static inline u_int32_t *nf_ct_get_secmark(const struct sk_buff *skb,
+					   u_int32_t *ctinfo)
+{
+	struct ip_conntrack *ct = ip_conntrack_get(skb, ctinfo);
+
+	if (ct)
+		return &ct->secmark;
+	else
+		return NULL;
+}
+#endif /* CONFIG_IP_NF_CONNTRACK_SECMARK */
+
 #ifdef CONFIG_IP_NF_CT_ACCT
 static inline struct ip_conntrack_counter *
 nf_ct_get_counters(const struct sk_buff *skb)
@@ -70,6 +83,19 @@ static inline u_int32_t *nf_ct_get_mark(const struct sk_buff *skb,
 }
 #endif /* CONFIG_NF_CONNTRACK_MARK */
 
+#ifdef CONFIG_NF_CONNTRACK_SECMARK
+static inline u_int32_t *nf_ct_get_secmark(const struct sk_buff *skb,
+					   u_int32_t *ctinfo)
+{
+	struct nf_conn *ct = nf_ct_get(skb, ctinfo);
+
+	if (ct)
+		return &ct->secmark;
+	else
+		return NULL;
+}
+#endif /* CONFIG_NF_CONNTRACK_MARK */
+
 #ifdef CONFIG_NF_CT_ACCT
 static inline struct ip_conntrack_counter *
 nf_ct_get_counters(const struct sk_buff *skb)
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index ff4b118f14a91f60e204b3c7c1d9f5cc5d2bd21b..e1d7f5fbc52634550908485439d6ebbac7d8fb2e 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -55,6 +55,18 @@ config IP_NF_CONNTRACK_MARK
 	  of packets, but this mark value is kept in the conntrack session
 	  instead of the individual packets.
 	
+config IP_NF_CONNTRACK_SECMARK
+	bool  'Connection tracking security mark support'
+	depends on IP_NF_CONNTRACK && NETWORK_SECMARK
+	help
+	  This option enables security markings to be applied to
+	  connections.  Typically they are copied to connections from
+	  packets using the CONNSECMARK target and copied back from
+	  connections to packets with the same target, with the packets
+	  being originally labeled via SECMARK.
+
+	  If unsure, say 'N'.
+
 config IP_NF_CONNTRACK_EVENTS
 	bool "Connection tracking events (EXPERIMENTAL)"
 	depends on EXPERIMENTAL && IP_NF_CONNTRACK
diff --git a/net/ipv4/netfilter/ip_conntrack_core.c b/net/ipv4/netfilter/ip_conntrack_core.c
index 4fe9e69378dfce7dbd729ab6b561899581891d51..7e4cf9a4d15f8509a4362466d7a4f26ef081f782 100644
--- a/net/ipv4/netfilter/ip_conntrack_core.c
+++ b/net/ipv4/netfilter/ip_conntrack_core.c
@@ -723,6 +723,9 @@ init_conntrack(struct ip_conntrack_tuple *tuple,
     defined(CONFIG_IP_NF_TARGET_MASQUERADE_MODULE)
 		/* this is ugly, but there is no other place where to put it */
 		conntrack->nat.masq_index = exp->master->nat.masq_index;
+#endif
+#ifdef CONFIG_IP_NF_CONNTRACK_SECMARK
+		conntrack->secmark = exp->master->secmark;
 #endif
 		nf_conntrack_get(&conntrack->master->ct_general);
 		CONNTRACK_STAT_INC(expect_new);
diff --git a/net/ipv4/netfilter/ip_conntrack_standalone.c b/net/ipv4/netfilter/ip_conntrack_standalone.c
index 6cb9b989d14caec789d35cb5f866dc977222d896..88445aac3f280c06c02924e817c9987ee5191cfb 100644
--- a/net/ipv4/netfilter/ip_conntrack_standalone.c
+++ b/net/ipv4/netfilter/ip_conntrack_standalone.c
@@ -189,6 +189,11 @@ static int ct_seq_show(struct seq_file *s, void *v)
 		return -ENOSPC;
 #endif
 
+#ifdef CONFIG_IP_NF_CONNTRACK_SECMARK
+	if (seq_printf(s, "secmark=%u ", conntrack->secmark))
+		return -ENOSPC;
+#endif
+
 	if (seq_printf(s, "use=%u\n", atomic_read(&conntrack->ct_general.use)))
 		return -ENOSPC;
 
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 10eccdd4d6eab374e3a7d4162ed86cf1267aa005..023f81e5f96bda5927d0b1402880c9875d89beaf 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -60,6 +60,18 @@ config NF_CONNTRACK_MARK
 	  of packets, but this mark value is kept in the conntrack session
 	  instead of the individual packets.
 
+config NF_CONNTRACK_SECMARK
+	bool  'Connection tracking security mark support'
+	depends on NF_CONNTRACK && NETWORK_SECMARK
+	help
+	  This option enables security markings to be applied to
+	  connections.  Typically they are copied to connections from
+	  packets using the CONNSECMARK target and copied back from
+	  connections to packets with the same target, with the packets
+	  being originally labeled via SECMARK.
+
+	  If unsure, say 'N'.
+
 config NF_CONNTRACK_EVENTS
 	bool "Connection tracking events (EXPERIMENTAL)"
 	depends on EXPERIMENTAL && NF_CONNTRACK
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index bc2bd4c3859eb23c8cbcf0f8d378bb51cbb74767..cd299f4b7db1989c5e5d1897698d987c370db48a 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -989,6 +989,9 @@ init_conntrack(const struct nf_conntrack_tuple *tuple,
 		conntrack->master = exp->master;
 #ifdef CONFIG_NF_CONNTRACK_MARK
 		conntrack->mark = exp->master->mark;
+#endif
+#ifdef CONFIG_NF_CONNTRACK_SECMARK
+		conntrack->secmark = exp->master->secmark;
 #endif
 		nf_conntrack_get(&conntrack->master->ct_general);
 		NF_CT_STAT_INC(expect_new);
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index e01d20d8e28720c31eab3ef6928ac7021e7955ee..e34c574f035133b509a402d4880a2b1f5bf035a8 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -213,6 +213,11 @@ static int ct_seq_show(struct seq_file *s, void *v)
 		return -ENOSPC;
 #endif
 
+#ifdef CONFIG_NF_CONNTRACK_SECMARK
+	if (seq_printf(s, "secmark=%u ", conntrack->secmark))
+		return -ENOSPC;
+#endif
+
 	if (seq_printf(s, "use=%u\n", atomic_read(&conntrack->ct_general.use)))
 		return -ENOSPC;